Plotter Repair Service History — Waco, TX

Problem: HP DesignJet T2500 PS eMFP plotter required preventive maintenance as the second of two units serviced at this location.

Solution: Technician cleaned and oiled the carriage assembly, cleaned the encoder strip, and wiped down the unit. The encoder strip and carriage belt were inspected and found in good condition. Printer tested and confirmed fully operational.

Problem: HP DesignJet Z3200 wide-format plotter presented for scheduled six-month preventive maintenance service in Woodway, TX.

Solution: Performed full six-month PM: cleaned plotter internals and completed functional testing. Left-side spittoon pad (Q5669-67049) identified as due for replacement; customer opted to defer installation to the next scheduled PM interval.

Problem: HP DesignJet L26500 plotter reported a broken Primer Assembly — the component had been fractured in half by the carriage, preventing operation and risking further carriage damage.

Solution: Replaced the broken Primer Assembly (Q6651-60265), oiled the carriage rod, and verified smooth movement. Post-repair use over several days confirmed no recurring failures.

Problem: HP DesignJet T1100ps MFP in Temple, TX reported repeated media jams requiring a callback visit.

Solution: Diagnosed jam source as a failed cutter assembly. Installed replacement cutter assembly (part no. Q5669-60713), cleaned the printer, and tested to confirm proper media feed and cut operation.

Problem: HP DesignJet Z6200 42" photo production printer arrived with a shredded carriage belt, leaving the plotter non-functional. The unit had not been serviced in an extended period.

Solution: Installed replacement carriage belt and tensioner assembly (CQ109-67004), oiled the carriage rail, reseated ink cartridges and print heads, and completed an automatic print head alignment. Errors 28.3:02 and 28.6:02 indicated print heads in slots 3 and 6 nearing end of life. Cutter assembly was flag

Problem: HP DesignJet 510 24" presented with carriage belt failure — belt was severely dry-rotted with extensive cord exposure, indicating long-term degradation.

Solution: Replaced the 24" carriage belt (C7769-60182) and performed a full plotter cleaning. Service station and ink tubes inspected and found in good condition. Post-replacement test print confirmed proper operation.

Problem: HP DesignJet T795 (CR649C) presented with a persistent error 08:04. The plotter completed its full initialization cycle, then immediately prompted 'Powering Down' before displaying the fault. The control panel was unresponsive to network connections during the error state.

Solution: Onsite diagnosis identified Rev A formatter board and hard drive as root cause. The HDD was replaced first with no change in symptoms. Formatter board (CN727-67042) was then replaced using the original hard drive, firmware was updated internally, and network addressing was confirmed via DHCP. Contro

Problem: HP DesignJet 800ps displaying an unspecified error message, traced to a dislodged trailing cable plastic guide that had twisted and caused multiple cascading faults.

Solution: Repositioned and secured the trailing cable plastic guide, added a retention clip to the trailing cable, and sealed the assembly with electrical tape on a follow-up visit. Device tested operational; parts must be sourced through the repair technician if the issue recurs.

Problem: HP DesignJet 800 42" reported color output issues. Alignment error was detected, and no cyan was being deposited despite the cyan ink cartridge reading 90% capacity.

Solution: Cleaned and reseated the cyan printhead; calibration continued to fail. Replaced HP 11 Cyan (C4811A), Magenta (C4812A), and Black (C4810A) printheads. Yellow had been recently replaced and was retained. Ran printhead alignment and color calibration; a test print confirmed correct color output across

Problem: HP DesignJet 510 plotter in Temple, TX reported progressively worsening paper cutting performance.

Solution: Technician inspected the plotter, confirmed cutter wear, replaced the cutter assembly (C7769-60390), oiled the carriage rail, and printed a diagnostic page to verify clean, accurate cuts.